[INFO] cloning repository https://github.com/plorefice/minesweeper-rs
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/plorefice/minesweeper-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fplorefice%2Fminesweeper-rs"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fplorefice%2Fminesweeper-rs'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 4aa679f260a38e93f609e731e5c048c2a6efdb72
[INFO] checking plorefice/minesweeper-rs against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fplorefice%2Fminesweeper-rs" "/workspace/builds/worker-2/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/plorefice/minesweeper-rs on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/plorefice/minesweeper-rs
[INFO] finished tweaking git repo https://github.com/plorefice/minesweeper-rs
[INFO] tweaked toml for git repo https://github.com/plorefice/minesweeper-rs written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/plorefice/minesweeper-rs already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 72a0f958a242747c50404ee0da03eceaf10057662e829d9a10f2777fb25b13e7
[INFO] running `"docker" "start" "-a" "72a0f958a242747c50404ee0da03eceaf10057662e829d9a10f2777fb25b13e7"`
[INFO] [stderr]    Compiling libloading v0.5.0
[INFO] [stderr]     Checking nix v0.12.0
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking shared_library v0.1.9
[INFO] [stderr]    Compiling syn v0.15.26
[INFO] [stderr]    Compiling wayland-scanner v0.21.11
[INFO] [stderr]     Checking x11-dl v2.18.3
[INFO] [stderr]     Checking rusttype v0.7.5
[INFO] [stderr]     Checking rayon-core v1.4.1
[INFO] [stderr]     Checking backtrace v0.3.14
[INFO] [stderr]     Checking parking_lot_core v0.4.0
[INFO] [stderr]     Checking osmesa-sys v0.1.2
[INFO] [stderr]     Checking andrew v0.1.6
[INFO] [stderr]     Checking piston2d-graphics v0.30.0
[INFO] [stderr]     Checking parking_lot v0.7.1
[INFO] [stderr]     Checking rayon v1.0.3
[INFO] [stderr]     Checking dlib v0.4.1
[INFO] [stderr]     Checking wayland-sys v0.21.11
[INFO] [stderr]    Compiling wayland-client v0.21.11
[INFO] [stderr]    Compiling wayland-protocols v0.21.11
[INFO] [stderr]     Checking jpeg-decoder v0.1.15
[INFO] [stderr]     Checking wayland-commons v0.21.11
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]    Compiling serde_derive v1.0.88
[INFO] [stderr]    Compiling derivative v1.0.2
[INFO] [stderr]    Compiling num-derive v0.2.4
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]     Checking smithay-client-toolkit v0.4.4
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]     Checking tiff v0.2.2
[INFO] [stderr]     Checking winit v0.18.1
[INFO] [stderr]     Checking image v0.21.0
[INFO] [stderr]     Checking gfx_core v0.8.3
[INFO] [stderr]     Checking glutin v0.19.0
[INFO] [stderr]     Checking pistoncore-input v0.24.0
[INFO] [stderr]     Checking pistoncore-window v0.37.0
[INFO] [stderr]     Checking pistoncore-event_loop v0.42.0
[INFO] [stderr]     Checking pistoncore-glutin_window v0.54.0
[INFO] [stderr]     Checking piston v0.42.0
[INFO] [stderr]     Checking gfx v0.17.1
[INFO] [stderr]     Checking gfx_device_gl v0.15.5
[INFO] [stderr]     Checking piston-gfx_texture v0.35.0
[INFO] [stderr]     Checking piston2d-gfx_graphics v0.56.0
[INFO] [stderr]     Checking piston_window v0.89.0
[INFO] [stderr]     Checking ai-learns-minesweeper v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 02s
[INFO] running `"docker" "inspect" "72a0f958a242747c50404ee0da03eceaf10057662e829d9a10f2777fb25b13e7"`
[INFO] running `"docker" "rm" "-f" "72a0f958a242747c50404ee0da03eceaf10057662e829d9a10f2777fb25b13e7"`
[INFO] [stdout] 72a0f958a242747c50404ee0da03eceaf10057662e829d9a10f2777fb25b13e7